How do I switch to older versions of the ruby/rails environment?

Question

I\'m trying to keep along with the Tekpub Build your own blog on rails screencast. I\'m still very much a ruby novice and the problem is that I have Rails 3 installed while Rob

Answer 1

Try,

rvm use 
rvm gemset create rails2.3.2
rvm @rails2.3.2
gem install rails --version=2.3.2

Finally the syntax to create a new rails app in older versions of rails was just:

rails 

For more information about gemsets: RVM: Named Gem Sets